roll: third_party/pigweed c40a7a1..c30dd50 (2 commits)

c30dd50:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/295458 pw_ide: Only delete last compile_commands if new one has any
ff87f59:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/295372 pw_ide: Fix broken parseBazelBuildCommand test

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: c40a7a1128aedd..c30dd5041b4f14
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8713155147420763345
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ie3372dc19cff64b450858e6bb8d17c0fc9981702
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/295672
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index c40a7a1..c30dd50 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit c40a7a1128aeddfabc61e129f3d47ef225dbe8de
+Subproject commit c30dd5041b4f147e918a10e7d567c2ffcb6f82f2